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Genuine OEM GM Diesel Exhaust Fluid Pumps

23139981 - : Windshield Washer Fluid Reservoir for GM Image

Windshield Washer Fluid Reservoir

With pump. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
$89.70
MSRP $149.55
Save $59.85
40% Off
22878311 - : Container-Wswa Solv for GM Image

Container-Wswa Solv

Exc.Headlamp Washer. Sedan, without lamp washer. Wagon, without lamp washer. This GM Genuine Part is designed, engineered, and tested to...
$38.71
MSRP $63.49
Save $24.78
39% Off
23434243 - : Windshield Washer Fluid Reservoir for GM Image

Windshield Washer Fluid Reservoir

This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
$54.89
MSRP $91.52
Save $36.63
40% Off
25199843 - : Filter,A/Trns Fluid for GM Image

Filter,A/Trns Fluid

This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
$83.47
MSRP $139.18
Save $55.71
40% Off
25198769 - : Automatic Transmission Fluid Filter for GM Image

Automatic Transmission Fluid Filter

Spark. In side cover. Cartridge. All Required. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is...
$17.41
MSRP $28.09
Save $10.68
38% Off
84843860 - : Brake Fluid Level Switch for GM Image

Brake Fluid Level Switch

Silverado, sierra. Crew cab. Express, savana. Express 3500. Savana 3500. Express 2500. Double cab. Savana 2500. Regular cab.
$11.66
MSRP $18.53
Save $6.87
37.1% Off
25918689 - : Cooler Asm-P/S Fluid for GM Image

Cooler Asm-P/S Fluid

Silverado, sierra. 6 speed trans. Yukon XL, Suburban. Tahoe, Yukon, Escalade. 4.8, 5.3, 6.0 & 6.2L, 5.3 & 6.2L. 1/2 ton. Avalanche,...
$144.58
MSRP $213.22
Save $68.64
32.2% Off
42864361 - : Windshield Washer Fluid Reservoir for GM Image

Windshield Washer Fluid Reservoir

$61.83
MSRP $103.10
Save $41.27
40% Off
55504303 - : Emission Reduction Fluid Injector for GM Image

Emission Reduction Fluid Injector

1.6L, front section. Cruze. 1.6l. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by...
$140.16
MSRP $206.73
Save $66.57
32.2% Off
84245999 - : Emission Reduction Fluid Tank for GM Image

Emission Reduction Fluid Tank

Def tank. Equinox, Terrain. 1.6l diesel. 1.6L, reduction tank & components. This GM Genuine Part is designed, engineered, and tested to...
$318.41
MSRP $477.64
Save $159.23
33.3% Off
96626031 - : Brake Fluid Level Sensor for GM Image

Brake Fluid Level Sensor

Equinox, Terrain. Equinox, Torrent. Captiva Sport. Vue Hybrid. This GM Genuine Part is designed, engineered, and tested to rigorous...
$20.63
MSRP $33.30
Save $12.67
38% Off
84036025 - : Windshield Washer Fluid Reservoir for GM Image

Windshield Washer Fluid Reservoir

Cruze. With fog lamps. With lamp pkg. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by...
$31.46
MSRP $51.59
Save $20.13
39% Off

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The Purpose of a Diesel Exhaust Fluid Pump for your Chevy or GMC

A diesel exhaust fluid (DEF) pump serves a critical role in the selective catalytic reduction (SCR) system of modern diesel vehicles, including Chevy and GMC trucks.

This Diesel pump has the primary purpose of delivering fluid to the SCR system to help reduce harmful emissions, particularly nitrogen oxides (NOx). Diesel exhaust fluid, typically consists of deionized water, is injected into the exhaust stream to convert NOx into harmless nitrogen gas and water vapor, reducing the environmental impact of diesel engines.

DEF pumps are particularly important for Chevy and GMC trucks because these vehicles often have powerful diesel engines used for towing, hauling, and heavy-duty work. Proper DEF injection is crucial to comply with emissions regulations and maintain efficient engine performance.

Functionality and Signs of a Failing Chevy or GMC DEF Pump

The DEF pump draws DEF fluid from the tank and pressurizes it for injection into the exhaust. Signs of a failing DEF pump in a Chevy or GMC vehicle may include:

  • Illuminated Warning Light: An illuminated DEF warning light on the dashboard is a clear indication of a potential DEF pump issue.
  • Reduced Engine Performance: A decrease in engine power or acceleration may result from improper DEF injection.
  • Exhaust Smoke and Emissions: Excessive smoke or emissions may suggest a problem with the DEF system.
  • Error Codes: Diagnostic trouble codes related to the DEF system may appear in the vehicle's computer system.

Save Money on Genuine Chevy Diesel Pump Parts

When it comes to critical components like DEF pumps, using authentic GM parts provides peace of mind, reliability, and confidence in your vehicle's environmental responsibility and performance or Chevy and GMC truck owners, finding affordable replacement parts, such as DEF pumps, is crucial. You can save up to 35% off retail prices by shopping online for genuine GM diesel parts. If you have any questions, feel free to reach us on our contact page.